FR888262A - - Google Patents
Info
- Publication number
- FR888262A FR888262A FR888262DA FR888262A FR 888262 A FR888262 A FR 888262A FR 888262D A FR888262D A FR 888262DA FR 888262 A FR888262 A FR 888262A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
- H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
- H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR888262A true FR888262A (cs) | 1943-12-08 |
Family
ID=1556512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR888262D Expired FR888262A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR888262A (cs) |
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0
- FR FR888262D patent/FR888262A/fr not_active Expired